11020120252 has 12 divisors (see below), whose sum is σ = 19303779040. Its totient is φ = 5504754816.

The previous prime is 11020120211. The next prime is 11020120253. The reversal of 11020120252 is 25202102011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020120253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321653 + ... + 1329964.

Almost surely, 2^11020120252 is an apocalyptic number.

It is an amenable number.

11020120252 is a deficient number, since it is larger than the sum of its proper divisors (8283658788).

11020120252 is a wasteful number, since it uses less digits than its factorization.

11020120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652660 (or 2652658 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 11020120252 its reverse (25202102011), we get a palindrome (36222222263).

The spelling of 11020120252 in words is "eleven billion, twenty million, one hundred twenty thousand, two hundred fifty-two".